2010-10347. Combined Notice of Filings #1

April 23, 2010.

Take notice that the Commission received the following electric rate filings:

Docket Numbers: ER10-1077-000.

Applicants: Otay Mesa Energy Center, LLC.

Description: Otay Acquisition Company, LLC submits notice of succession to OMEC.

Filed Date: 04/22/2010.

Accession Number: 20100423-0206.

Comment Date: 5 p.m. Eastern Time on Thursday, May 13, 2010.

Docket Numbers: ER10-1078-000.

Applicants: Exelon New Boston, LLC.

Description: Exelon New Boston, LLC submits tariff filing per 35.12: Exelon New Boston MBR Tariff to be effective 4/23/2010.

Filed Date: 04/23/2010.

Accession Number: 20100423-5069.

Comment Date: 5 p.m. Eastern Time on Friday, May 14, 2010.

Docket Numbers: ER10-1079-000.

Applicants: Exelon New England Power Marketing, Limited Partnership.

Description: Exelon New England Power Marketing, Limited Partnership submits tariff filing per 35.12: Exelon NEPM MBR Tariff to be effective 4/23/2010.

Filed Date: 04/23/2010.

Accession Number: 20100423-5070.

Comment Date: 5 p.m. Eastern Time on Friday, May 14, 2010.

Docket Numbers: ER10-1080-000.

Applicants: Exelon West Medway, LLC.

Description: Exelon West Medway, LLC submits tariff filing per 35.12: Exelon West Medway MBR Tariff to be effective 4/23/2010.

Filed Date: 04/23/2010.

Accession Number: 20100423-5071.

Comment Date: 5 p.m. Eastern Time on Friday, May 14, 2010.

Docket Numbers: ER10-1081-000.

Applicants: Exelon Wyman, LLC.

Description: Exelon Wyman, LLC submits tariff filing per 35.12: Exelon Wyman MBR Tariff to be effective 4/23/2010.

Filed Date: 04/23/2010.

Accession Number: 20100423-5073.

Comment Date: 5 p.m. Eastern Time on Friday, May 14, 2010.

Any person desiring to intervene or to protest in any of the above proceedings must file in accordance with Rules 211 and 214 of the Commission's Rules of Practice and Procedure (18 CFR 385.211 and 385.214) on or before 5 p.m. Eastern time on the specified comment date. It is not necessary to separately intervene again in a subdocket related to a compliance filing if you have previously intervened in the same docket. Protests will be considered by the Commission in determining the appropriate action to be taken, but will not serve to make protestants parties to the proceeding. Anyone filing a motion to intervene or protest must serve a copy of that document on the Applicant. In reference to filings initiating a new proceeding, interventions or protests submitted on or before the comment deadline need not be served on persons other than the Applicant.

The Commission encourages electronic submission of protests and interventions in lieu of paper, using the FERC Online links at http://www.ferc.gov. To facilitate electronic service, persons with Internet access who will eFile a document and/or be listed as a contact for an intervenor must create and validate an eRegistration account using the eRegistration link. Select the eFiling link to log on and submit the intervention or protests.

Persons unable to file electronically should submit an original and 14 copies of the intervention or protest to the Federal Energy Regulatory Commission, 888 First St., NE., Washington, DC 20426.

The filings in the above proceedings are accessible in the Commission's eLibrary system by clicking on the appropriate link in the above list. They are also available for review in the Commission's Public Reference Room in Washington, DC. There is an eSubscription link on the Web site that enables subscribers to receive e-mail notification when a document is added to a subscribed docket(s). For assistance with any FERC Online service, please e-mail [e-mail]. or call [phone] (toll free). For TTY, call [phone].

Nathaniel J. Davis, Sr.,

Deputy Secretary.